12569971 has 2 divisors, whose sum is σ = 12569972. Its totient is φ = 12569970.

The previous prime is 12569969. The next prime is 12570031. The reversal of 12569971 is 17996521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12569971 - 2¹ = 12569969 is a prime.

Together with 12569969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12569941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6284985 + 6284986.

It is an arithmetic number, because the mean of its divisors is an integer number (6284986).

Almost surely, 2^12569971 is an apocalyptic number.

12569971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12569971 is an equidigital number, since it uses as much as digits as its factorization.

12569971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 40.

The square root of 12569971 is about 3545.4154904609. The cubic root of 12569971 is about 232.5116716690.

The spelling of 12569971 in words is "twelve million, five hundred sixty-nine thousand, nine hundred seventy-one".